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|
Version:
0.70.0.dev5755 ▾
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from fastapi import HTTPException, Request
from fastapi.responses import HTMLResponse, RedirectResponse
from flet_web.fastapi.flet_app_manager import app_manager
class FletOAuth:
"""
HTTP handler for OAuth callback.
"""
def __init__(self) -> None:
pass
async def handle(self, request: Request):
"""
Handle OAuth callback request.
Request must contain minimum `code` and `state` query parameters.
Returns either redirect to a Flet page or a HTML page with further instructions.
"""
state_id = request.query_params.get("state")
if not state_id:
raise HTTPException(status_code=400, detail="Invalid state")
state = app_manager.retrieve_state(state_id)
if not state:
raise HTTPException(status_code=400, detail="Invalid state")
session = await app_manager.get_session(state.session_id)
if not session:
raise HTTPException(status_code=500, detail="Session not found")
state.code = request.query_params.get("code")
state.error = request.query_params.get("error")
state.error_description = request.query_params.get("error_description")
if state.complete_page_url:
app_manager.store_state(state_id, state)
response = RedirectResponse(state.complete_page_url)
response.set_cookie(
"flet_oauth_state",
state_id,
max_age=300,
httponly=True,
secure=False,
samesite="strict",
)
return response
else:
await session.page._authorize_callback(
{
"state": state_id,
"code": state.code,
"error": state.error,
"error_description": state.error_description,
}
)
html_content = (
state.complete_page_html
if state.complete_page_html
else """
<!DOCTYPE html>
<html>
<head>
<title>Signed in successfully</title>
</head>
<body>
<script type="text/javascript">
window.close();
</script>
<p>You've been successfully signed in! You can close this tab or window now.</p>
</body>
</html>
""" # noqa: E501
)
return HTMLResponse(content=html_content, status_code=200)